| abstract |
(57) Abstract: A novel thiazolidine derivative having telomerase inhibitory activity or antitumor activity or a pharmacologically acceptable salt thereof is provided. [Solution] [Wherein, Q represents an oxygen atom or a sulfur atom, R 1 represents a substituted or unsubstituted aralkyl, X represents a benzene ring, When X is a benzene ring, Y represents a hydrogen atom, substituted or unsubstituted lower alkenyl, or the like; when X is a pyridine ring or a thiophene ring, Y is represented by the formula (III) (Wherein R 2 represents hydrogen or the like)] Provided is a thiazolidine derivative represented by the formula (I) or a pharmacologically acceptable salt thereof. |